diff --git a/lib/chai/core/assertions.js b/lib/chai/core/assertions.js
index b2f9dd627..f34e2f512 100644
--- a/lib/chai/core/assertions.js
+++ b/lib/chai/core/assertions.js
@@ -93,7 +93,7 @@ module.exports = function (chai, _) {
    * ### .any
    *
    * Sets the `any` flag, (opposite of the `all` flag)
-   * later used in the `keys` assertion. 
+   * later used in the `keys` assertion.
    *
    *     expect(foo).to.have.any.keys('bar', 'baz');
    *
@@ -110,7 +110,7 @@ module.exports = function (chai, _) {
   /**
    * ### .all
    *
-   * Sets the `all` flag (opposite of the `any` flag) 
+   * Sets the `all` flag (opposite of the `any` flag)
    * later used by the `keys` assertion.
    *
    *     expect(foo).to.have.all.keys('bar', 'baz');
@@ -767,7 +767,7 @@ module.exports = function (chai, _) {
    *         green: { tea: 'matcha' }
    *       , teas: [ 'chai', 'matcha', { tea: 'konacha' } ]
    *     };
-   * 
+   *
    *     expect(deepObj).to.have.deep.property('green.tea', 'matcha');
    *     expect(deepObj).to.have.deep.property('teas[1]', 'matcha');
    *     expect(deepObj).to.have.deep.property('teas[2].tea', 'konacha');